Overview
The cdecimal package is a fast drop-in replacement for the decimal module in Python’s standard library. Both modules provide complete implementations of Mike Cowlishaw/IBM’s General Decimal Arithmetic Specification.
Testing
Both cdecimal and the underlying library - libmpdec - are extremely well tested. libmpdec is one of the few open source projects with 100% code coverage. cdecimal is rigorously tested against decimal.py.
Short benchmarks
Typical performance gains are between 30x for I/O heavy benchmarks and 80x for numerical programs. In a database benchmark, cdecimal exhibits a speedup of 12x over decimal.py.
decimal |
cdecimal |
speedup |
|
|---|---|---|---|
pi |
42.75s |
0.58s |
74x |
telco |
172.19s |
5.68s |
30x |
psycopg |
3.57s |
0.29s |
12x |
Documentation
Since cdecimal is compatible with decimal.py, the official documentation is valid. For the few remaining differences, refer to the second link.
Linux Notes
The build process requires a working C compiler and a full Python install with development headers. Linux distributions often ship the Python header files as a separate package, called python-dev or python-devel.
Install headers on Debian/Ubuntu:
sudo apt-get install python-dev
Windows Notes
Links
1 maintainer
Release files for pypi-cdecimal 2.3
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| pypi-cdecimal-2.3.tar.gz | 90.6 kB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| pypi_cdecimal-2.3-cp27-none-macosx_10_11_x86_64.whl | CPython 2.7 | none | macOS 10.11+ x86-64 | Details |
Total release size: 225.8 kB
Release files / pypi-cdecimal-2.3.tar.gz
| Download URL | pypi-cdecimal-2.3.tar.gz |
|---|---|
| Size | 90.6 kB |
| Tags | Source |
|
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Release files / pypi_cdecimal-2.3-cp27-none-macosx_10_11_x86_64.whl
| Download URL | pypi_cdecimal-2.3-cp27-none-macosx_10_11_x86_64.whl |
|---|---|
| Size | 135.2 kB |
| Tags | CPython 2.7 macOS 10.11+ x86-64 |
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